随笔分类 - 二分三分
摘要:题目: There is a polyline going through points (0, 0) – (x, x) – (2x, 0) – (3x, x) – (4x, 0) – … - (2kx, 0) – (2kx + x, x) – ….We know t...
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摘要:In a two-dimensional plane there are two line belts, there are two segments AB and CD, lxhgww's speed on AB is P and on CD is Q, he c...
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摘要:Compared to wildleopard's wealthiness, his brother mildleopard is rather poor. His house is narrow and he has only one light bulb in ...
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摘要:题目 My birthday is coming up and traditionally I’m serving pie. Not just one pie, no, I have a number N of them, of various tastes ...
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